diff --git a/dhcpv4/server.go b/dhcpv4/server.go
index 9b0e148..ae7532b 100644
--- a/dhcpv4/server.go
+++ b/dhcpv4/server.go
@@ -369,4 +369,4 @@ func getSrcIPPort(ipCarrier []byte) (srcaddr []byte, port uint16, err error) {
 	}
 	port = binary.BigEndian.Uint16(ipCarrier[off:]) // TCP and UDP share same port offsets.
 	return srcaddr, port, nil
-}
\ No newline at end of file
+}
diff --git a/dhcpv4/server_test.go b/dhcpv4/server_test.go
index cf85bac..19b5a93 100644
--- a/dhcpv4/server_test.go
+++ b/dhcpv4/server_test.go
@@ -355,4 +355,4 @@ func TestServerRediscover(t *testing.T) {
 	if cl.State() != StateBound {
 		t.Errorf("second DORA: want StateBound, got %s", cl.State())
 	}
-}
\ No newline at end of file
+}
diff --git a/examples/httptap/dhcp.go b/examples/httptap/dhcp.go
index b1da3a5..296272c 100644
--- a/examples/httptap/dhcp.go
+++ b/examples/httptap/dhcp.go
@@ -259,8 +259,8 @@ func (d *dhcpInterceptor) buildARPReply(request []byte) {
 
 	// ARP reply.
 	afrm, _ := arp.NewFrame(buf[sizeEthernet:])
-	afrm.SetHardware(1, 6)                       // Ethernet, 6-byte addresses
-	afrm.SetProtocol(ethernet.TypeIPv4, 4)        // IPv4, 4-byte addresses
+	afrm.SetHardware(1, 6)                 // Ethernet, 6-byte addresses
+	afrm.SetProtocol(ethernet.TypeIPv4, 4) // IPv4, 4-byte addresses
 	afrm.SetOperation(arp.OpReply)
 	replySndrHW, replySndrIP := afrm.Sender4()
 	*replySndrHW = d.svMAC
diff --git a/internal/ring.go b/internal/ring.go
index bbd1a56..bf73281 100644
--- a/internal/ring.go
+++ b/internal/ring.go
@@ -11,11 +11,11 @@ import (
 )
 
 var (
-	ErrRingBufferFull  = lneto.ErrBufferFull
-	errRingNoData      = errors.New("lneto/ring: empty write")
-	errInvalidDiscard  = errors.New("lneto/ring: invalid discard amount")
-	errDiscardExceeds  = errors.New("lneto/ring: discard exceeds length")
-	errOffsetOverflow  = errors.New("lneto/ring: offset too large (32 bit overflow)")
+	ErrRingBufferFull = lneto.ErrBufferFull
+	errRingNoData     = errors.New("lneto/ring: empty write")
+	errInvalidDiscard = errors.New("lneto/ring: invalid discard amount")
+	errDiscardExceeds = errors.New("lneto/ring: discard exceeds length")
+	errOffsetOverflow = errors.New("lneto/ring: offset too large (32 bit overflow)")
 )
 
 // Ring implements basic Ring buffer functionality.
diff --git a/ipv6/frame.go b/ipv6/frame.go
index 96695fc..1f7f4c2 100644
--- a/ipv6/frame.go
+++ b/ipv6/frame.go
@@ -118,7 +118,6 @@ func (i6frm Frame) ClearHeader() {
 // Validate API.
 //
 
-
 // ValidateSize checks the frame's size fields and compares with the actual buffer
 // the frame. It returns a non-nil error on finding an inconsistency.
 func (i6frm Frame) ValidateSize(v *lneto.Validator) {
diff --git a/tcp/definitions.go b/tcp/definitions.go
index 8b731f9..8346800 100644
--- a/tcp/definitions.go
+++ b/tcp/definitions.go
@@ -16,14 +16,14 @@ var (
 	errDropSegment    error = lneto.ErrPacketDrop
 	errWindowTooLarge       = errors.New("invalid window size > 2**16")
 
-	errBufferTooSmall        error = lneto.ErrShortBuffer
-	errNeedClosedTCBToOpen         = errors.New("need closed TCB to call open")
-	errInvalidState                = errors.New("invalid state")
-	errConnNotExist                = errors.New("connection does not exist")
-	errConnectionClosing           = errors.New("connection closing")
-	errExpectedSYN                 = errors.New("seqs:expected SYN")
-	errBadSegack                   = errors.New("seqs:bad segack")
-	errFinwaitExpectedACK          = errors.New("seqs:finwait1 expected ACK")
+	errBufferTooSmall      error = lneto.ErrShortBuffer
+	errNeedClosedTCBToOpen       = errors.New("need closed TCB to call open")
+	errInvalidState              = errors.New("invalid state")
+	errConnNotExist              = errors.New("connection does not exist")
+	errConnectionClosing         = errors.New("connection closing")
+	errExpectedSYN               = errors.New("seqs:expected SYN")
+	errBadSegack                 = errors.New("seqs:bad segack")
+	errFinwaitExpectedACK        = errors.New("seqs:finwait1 expected ACK")
 
 	errWindowOverflow    = newRejectErr("wnd > 2**16")
 	errSeqNotInWindow    = newRejectErr("seq not in snd/rcv.wnd")
diff --git a/tcp/frame.go b/tcp/frame.go
index 8645566..e5ce8f8 100644
--- a/tcp/frame.go
+++ b/tcp/frame.go
@@ -177,7 +177,6 @@ func (tfrm Frame) String() string {
 // Validation API
 //
 
-
 // func (tfrm Frame) Validate(v *lneto.Validator) {
 // tfrm.ValidateSize(v)
 // tfrm.ValidateExceptCRC(v)
diff --git a/tcp/seqsbug_test.go b/tcp/seqsbug_test.go
index 9abecec..2d7ec94 100644
--- a/tcp/seqsbug_test.go
+++ b/tcp/seqsbug_test.go
@@ -214,7 +214,7 @@ func TestWindowReject_ChallengeACK(t *testing.T) {
 	t.Run("SeqNotInWindow", func(t *testing.T) {
 		tcb := setup()
 		retransmit := Segment{
-			SEQ:     issB,      // Before rcv.NXT (issB+512).
+			SEQ:     issB, // Before rcv.NXT (issB+512).
 			ACK:     issA,
 			Flags:   FlagACK,
 			WND:     64240,
@@ -237,7 +237,7 @@ func TestWindowReject_ChallengeACK(t *testing.T) {
 	t.Run("LastNotInWindow", func(t *testing.T) {
 		tcb := setup()
 		seg := Segment{
-			SEQ:     issB + 512,           // At rcv.NXT (in window).
+			SEQ:     issB + 512, // At rcv.NXT (in window).
 			ACK:     issA,
 			Flags:   FlagACK,
 			WND:     64240,